Graham McTavish (born 4 January 1961) is a Scottish actor and author. He is known for his roles as Dwalin in The Hobbit film trilogy, Dracula in the Netflix animated series Castlevania, Loki in various Marvel animated projects, The Saint of Killers in the AMC series Preacher, and Dougal Mackenzie in the Starz series Outlander. He is also known for his roles in the video game franchise Uncharted as the main antagonist Zoran Lazarević in Uncharted 2: Among Thieves and Charlie Cutter in Uncharted 3: Drake's Deception.

In 2020, McTavish and Outlander co-star Sam Heughan co-wrote Clanlands: Whisky, Warfare, and a Scottish Adventure Like No Other, which hit No. 1 on the New York Times' Best Seller Lists for hardcover nonfiction and for combined print and e-book nonfiction.